Tusk Comp Series Nerf Bars Black With Black Webbing, Kawasaki KFX 450R 2008-2011 Nerf bars will not work with the stock heel guards Tusk Comp Series Nerf Bars are built beefier than most standard nerf bars creating higher strength and rigidity 14 3/8" alloy tubes are heli-arc welded at the joints and then brushed to a high luster Features a trick looking laser-etched logo on both left and right nerf bars